2 * i2c-smbus.h - SMBus extensions to the I2C protocol
4 * Copyright (C) 2010 Jean Delvare <khali@linux-fr.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
22 #ifndef _LINUX_I2C_SMBUS_H
23 #define _LINUX_I2C_SMBUS_H
25 #include <linux/i2c.h>
29 * i2c_smbus_alert_setup - platform data for the smbus_alert i2c client
30 * @alert_edge_triggered: whether the alert interrupt is edge (1) or level (0)
32 * @irq: IRQ number, if the smbus_alert driver should take care of interrupt
35 * If irq is not specified, the smbus_alert driver doesn't take care of
36 * interrupt handling. In that case it is up to the I2C bus driver to either
37 * handle the interrupts or to poll for alerts.
39 * If irq is specified then it it crucial that alert_edge_triggered is
42 struct i2c_smbus_alert_setup
{
43 unsigned int alert_edge_triggered
:1;
47 struct i2c_client
*i2c_setup_smbus_alert(struct i2c_adapter
*adapter
,
48 struct i2c_smbus_alert_setup
*setup
);
49 int i2c_handle_smbus_alert(struct i2c_client
*ara
);
51 #endif /* _LINUX_I2C_SMBUS_H */
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